How often should I fertilize hybrid tea roses?

FAQ
Question: 

How often should I fertilize hybrid tea roses?

Answer: 

To encourage vigorous growth and abundant bloom, hybrid tea, floribunda, and grandiflora roses should be fertilized two or three times a year.  Fertilizer applications can be made in early spring (immediately after pruning), during the first bloom period, and mid to late July.  Do not fertilize after July 31.  Later fertilization will produce succulent new growth which may not harden sufficiently before winter.  An all-purpose garden fertilizer, such as 10-10-10, is a suitable fertilizer for roses.  Sprinkle 1/4 cup of fertilizer around each plant per application.  

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